Sly, a pilot in the Optimizing the Human Weapons System program, uses an InBody Composition Analyzer at Joint Base Langley-Eustis, Virginia, Oct. 28, 2020. The InBody Composition Analyzer assesses each pilot’s body composition to include their body fat percentage and pounds of lean/skeletal muscle. (U.S. Air Force photo by Staff Sgt. Delaney Gonzales)